TY  - BOOK
AU  - Berman,Arthur I., x
AU  - x
TI  - The physical principles of astronautics: Fundamentals of dynamical astronomy and space flight
SN  - x
U1  - 629.4/BEP 
PY  - 1963///
CY  - N.Y.
PB  - Wiley
KW  - Space Flight
N1  - x
ER  -